Edit: /etc/pki/nss-legacy/nss-rhel6.config (230B)
# To re-enable legacy algorithms, edit this file
# Note that the last empty line in this file must be preserved
library=
name=Policy
NSS=flags=policyOnly,moduleDB
config="disallow=md5 allow=DH-MIN=1023:DSA-MIN=1023:RSA-MIN=1023"